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Finding the Third Proportional to 18,701,570 and 25,342,851

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Solution

The third proportional to 18,701,570 and 25,342,851 is: 34,342,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,570 : 25,342,851 = 25,342,851 : x
  2. Step 2: Convert to fraction form
    18,701,570/25,342,851 = 25,342,851/x
  3. Step 3: Cross multiply
    18,701,570x = 25,342,851 × 25,342,851
  4. Step 4: Simplify right side
    18,701,570x = 642,260,096,808,201
  5. Step 5: Solve for x
    x = 642,260,096,808,201/18,701,570
  6. Step 6: Final answer
    x = 34,342,576.42

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.